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Finding the Fourth Proportional to 110,386.70, 165,604.50 and 40,266.01

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Solution

The fourth proportional to 110,386.70, 165,604.50 and 40,266.01 is: 60,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,386.70 : 165,604.50 = 40,266.01 : x
  2. Step 2: Convert to fraction form
    110,386.70/165,604.50 = 40,266.01/x
  3. Step 3: Cross multiply
    110,386.70x = 165,604.50 × 40,266.01
  4. Step 4: Simplify right side
    110,386.70x = 6,668,232,660.05
  5. Step 5: Solve for x
    x = 6,668,232,660.05/110,386.70
  6. Step 6: Final answer
    x = 60,407.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.